[INFO] cloning repository https://github.com/bitbangr/img_tile
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bitbangr/img_tile" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 433615d8951fd4d13a8b2c3e44af2dcbf6af1b2b
[INFO] checking bitbangr/img_tile against master#c5fbcd35a8217a17f6b63a22217ace06cf8f5f02 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbitbangr%2Fimg_tile" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bitbangr/img_tile on toolchain c5fbcd35a8217a17f6b63a22217ace06cf8f5f02
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bitbangr/img_tile
[INFO] finished tweaking git repo https://github.com/bitbangr/img_tile
[INFO] tweaked toml for git repo https://github.com/bitbangr/img_tile written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/bitbangr/img_tile already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e096d1b4aea6a089ead25ef975c09e3e31596d8a34af5d92eda9339f5433c37a
[INFO] running `Command { std: "docker" "start" "-a" "e096d1b4aea6a089ead25ef975c09e3e31596d8a34af5d92eda9339f5433c37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e096d1b4aea6a089ead25ef975c09e3e31596d8a34af5d92eda9339f5433c37a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e096d1b4aea6a089ead25ef975c09e3e31596d8a34af5d92eda9339f5433c37a", kill_on_drop: false }`
[INFO] [stdout] e096d1b4aea6a089ead25ef975c09e3e31596d8a34af5d92eda9339f5433c37a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+c5fbcd35a8217a17f6b63a22217ace06cf8f5f02" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fbd9d74aae9ffddc6f8904ec3909fc290695eaa6587729a2f4f8f14133062563
[INFO] running `Command { std: "docker" "start" "-a" "fbd9d74aae9ffddc6f8904ec3909fc290695eaa6587729a2f4f8f14133062563", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling crc32fast v1.2.1
[INFO] [stderr]     Checking adler v1.0.2
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]     Checking adler32 v1.2.0
[INFO] [stderr]    Compiling const_fn v0.4.8
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]     Checking weezl v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking bytemuck v1.5.1
[INFO] [stderr]     Checking lzw v0.10.0
[INFO] [stderr]     Checking scoped_threadpool v0.1.9
[INFO] [stderr]     Checking unicode-width v0.1.8
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking dtoa v0.4.8
[INFO] [stderr]     Checking linked-hash-map v0.5.4
[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]     Checking ego-tree v0.6.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling num-iter v0.1.42
[INFO] [stderr]    Compiling num-rational v0.3.2
[INFO] [stderr]     Checking encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-korean v1.20141219.5
[INFO] [stderr]     Checking encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]     Checking encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]     Checking encoding-index-japanese v1.20141219.5
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking miniz_oxide v0.3.7
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking gif v0.11.2
[INFO] [stderr]     Checking deflate v0.8.6
[INFO] [stderr]     Checking stb_truetype v0.3.1
[INFO] [stderr]    Compiling standback v0.2.17
[INFO] [stderr]    Compiling time v0.2.26
[INFO] [stderr]     Checking encoding v0.2.33
[INFO] [stderr]     Checking aho-corasick v0.7.18
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking png v0.16.8
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking flate2 v1.0.20
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking ordered-float v1.1.1
[INFO] [stderr]     Checking approx v0.3.2
[INFO] [stderr]     Checking euclid v0.22.4
[INFO] [stderr]     Checking rusttype v0.8.3
[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking jpeg-decoder v0.1.22
[INFO] [stderr]     Checking tiff v0.6.1
[INFO] [stderr]     Checking image v0.23.14
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking lopdf v0.26.0
[INFO] [stderr]     Checking printpdf v0.3.4
[INFO] [stderr]     Checking img_tile v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `font1`
[INFO] [stdout]    --> src/pdf_util.rs:437:34
[INFO] [stdout]     |
[INFO] [stdout] 437 | ...                   font1: &IndirectFontRef,
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_font1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `font1`
[INFO] [stdout]    --> src/pdf_util.rs:437:34
[INFO] [stdout]     |
[INFO] [stdout] 437 | ...                   font1: &IndirectFontRef,
[INFO] [stdout]     |                       ^^^^^ help: if this is intentional, prefix it with an underscore: `_font1`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_summary_circles`
[INFO] [stdout]    --> src/pdf_util.rs:780:4
[INFO] [stdout]     |
[INFO] [stdout] 780 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_diag`
[INFO] [stdout]    --> src/pdf_util.rs:834:4
[INFO] [stdout]     |
[INFO] [stdout] 834 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_points_for_circle`
[INFO] [stdout]     --> src/pdf_util.rs:1175:4
[INFO] [stdout]      |
[INFO] [stdout] 1175 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_and_save_test_config`
[INFO] [stdout]   --> src/modtile.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_allcolors_struct`
[INFO] [stdout]    --> src/modtile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_load_all_colors`
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_all_colors`
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_config`
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_summary_circles`
[INFO] [stdout]    --> src/pdf_util.rs:780:4
[INFO] [stdout]     |
[INFO] [stdout] 780 | fn draw_summary_circles(pdf_output_window: &Vec<Vec<(Box2D<i32, i32>, modtile::RGB)>>,
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw_diag`
[INFO] [stdout]    --> src/pdf_util.rs:834:4
[INFO] [stdout]     |
[INFO] [stdout] 834 | fn draw_diag(current_layer: &&PdfLayerReference) {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_points_for_circle`
[INFO] [stdout]     --> src/pdf_util.rs:1175:4
[INFO] [stdout]      |
[INFO] [stdout] 1175 | fn get_points_for_circle(xoff: f64, yoff: f64, scale: f64) -> Vec<(Point, bool)> {
[INFO] [stdout]      |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `create_and_save_test_config`
[INFO] [stdout]   --> src/modtile.rs:51:8
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub fn create_and_save_test_config(path_str: &str) -> Config {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test_allcolors_struct`
[INFO] [stdout]    --> src/modtile.rs:105:8
[INFO] [stdout]     |
[INFO] [stdout] 105 | pub fn test_allcolors_struct()  -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `old_load_all_colors`
[INFO] [stdout]    --> src/modtile.rs:188:8
[INFO] [stdout]     |
[INFO] [stdout] 188 | pub fn old_load_all_colors<P: AsRef<Path>>(path: P) -> AllColors {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_all_colors`
[INFO] [stdout]    --> src/modtile.rs:208:8
[INFO] [stdout]     |
[INFO] [stdout] 208 | pub fn save_all_colors<P: AsRef<Path>>(path: P, all_colors: AllColors) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `save_config`
[INFO] [stdout]    --> src/modtile.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 | pub fn save_config<P: AsRef<Path>>(path: P, config: &Config) -> Result<()> {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.02s
[INFO] running `Command { std: "docker" "inspect" "fbd9d74aae9ffddc6f8904ec3909fc290695eaa6587729a2f4f8f14133062563", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbd9d74aae9ffddc6f8904ec3909fc290695eaa6587729a2f4f8f14133062563", kill_on_drop: false }`
[INFO] [stdout] fbd9d74aae9ffddc6f8904ec3909fc290695eaa6587729a2f4f8f14133062563